/* 
   ==========================================================================
   CSS DESIGN SYSTEM & STYLE SHEET FOR SAQIB SHAKOOR'S PORTFOLIO
   ==========================================================================
*/

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-dark-secondary: #1e293b;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-dark-bg: #f8fafc;
    --text-dark-bg-sub: #94a3b8;
    --accent-blue: #2563eb;
    --accent-blue-hover: #1d4ed8;
    --accent-blue-glow: rgba(37, 99, 235, 0.15);
    --border-color: #e2e8f0;
    --border-color-dark: #cbd5e1;
    --border-glow: rgba(37, 99, 235, 0.3);
    --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    --card-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -6px rgba(15, 23, 42, 0.1);
    --font-inter: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-elastic: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 1. Base Styles & Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-inter);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Sleek Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 5px;
    border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue-hover);
}

/* Selection highlight */
::selection {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Section Header styling */
section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--bg-dark);
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-blue);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* 2. Floating Navbar Styling */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo-wrap {
    display: flex;
    align-items: center;
}

.logo-initials {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--bg-dark);
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border: 2px solid var(--bg-dark);
    padding: 0.15rem 0.6rem;
    border-radius: 6px;
    font-family: var(--font-inter);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    position: relative;
    padding: 0.25rem 0;
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--bg-dark);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: var(--transition-smooth);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-nav-contact {
    background-color: var(--bg-dark);
    color: #ffffff !important;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--bg-dark);
    transition: var(--transition-smooth);
}

.btn-nav-contact:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-nav-contact::after {
    display: none !important; /* Remove underline */
}

/* 3. Button Styles */
.btn-solid, .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-solid {
    background-color: var(--accent-blue);
    color: #ffffff;
    border: 1px solid var(--accent-blue);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-solid:hover {
    background-color: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-outline {
    background-color: transparent;
    color: var(--bg-dark);
    border: 2px solid var(--bg-dark);
}

.btn-outline:hover {
    background-color: var(--bg-dark);
    color: #ffffff;
    transform: translateY(-3px);
}

/* 4. Page 1: Landing (Hero Section) */
#landing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6.5rem;
    background-color: var(--bg-primary);
    overflow: hidden;
}

.landing-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.landing-text {
    opacity: 0;
    transform: translateY(30px);
}

.landing-hi {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
    display: block;
}

.landing-name {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--bg-dark);
    letter-spacing: -0.04em;
    margin-bottom: 1.25rem;
}

.landing-designations {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.landing-designations span {
    display: inline-block;
}

.landing-designations .divider {
    color: var(--border-color-dark);
    font-weight: 300;
}

.landing-intro {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.landing-ctas {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2.75rem;
    opacity: 0;
    transform: translateY(20px);
}

.landing-socials {
    display: flex;
    gap: 1.25rem;
    opacity: 0;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition-elastic);
    opacity: 0;
    transform: scale(0.5);
}

.social-icon:hover {
    color: #ffffff;
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 6px 15px var(--accent-blue-glow);
}

.landing-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-backdrop {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(15, 23, 42, 0.03));
    z-index: -1;
    animation: morphingBlob 15s ease-in-out infinite alternate;
}

@keyframes morphingBlob {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 56% 45% 55% 44%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

.visual-outline {
    position: absolute;
    width: 370px;
    height: 370px;
    border: 2px dashed rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    animation: rotateDashed 25s linear infinite;
}

@keyframes rotateDashed {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.landing-img-wrap {
    width: 340px;
    height: 340px;
    border-radius: 50%;
    padding: 6px;
    background: linear-gradient(135deg, var(--accent-blue), var(--bg-dark));
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.landing-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    background-color: var(--bg-secondary);
}

/* 5. Page 2: About Me */
#about {
    background-color: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4.5rem;
    align-items: flex-start;
}

.about-visual-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.about-img-frame {
    width: 280px;
    height: 320px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    background-color: #ffffff;
    border: 1px solid var(--border-color);
}

.about-img-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.about-img-frame:hover img {
    transform: scale(1.05);
}

.about-work-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: 280px;
}

.about-work-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1.25rem;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-elastic);
    position: relative;
    overflow: hidden;
}

.about-work-btn i {
    font-size: 0.8rem;
    color: var(--text-light);
    transition: var(--transition-elastic);
}

.about-work-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: var(--transition-smooth);
}

.about-work-btn:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.about-work-btn:hover::after {
    width: 100%;
}

.about-work-btn:hover i {
    transform: translateX(4px);
    color: var(--accent-blue);
}

/* 3D Flipping Cards for Mission & Vision */
.about-cards-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
    perspective: 1200px;
}

.flip-card {
    height: 200px;
    cursor: pointer;
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: left;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.flip-card-front {
    background-color: #ffffff;
    color: var(--text-primary);
    box-shadow: var(--card-shadow);
}

.flip-card-front i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
}

.flip-card-front h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.flip-card-front .hint {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.flip-card-back {
    background-color: var(--bg-dark);
    color: #ffffff;
    transform: rotateY(180deg);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
    border-color: var(--bg-dark);
}

.flip-card-back h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent-blue);
}

.flip-card-back p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: #cbd5e1;
}

.about-summary {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

/* 6. Page 3: Work Experience */
#experience {
    background-color: var(--bg-primary);
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color-dark);
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-item {
    position: relative;
    width: 50%;
    margin-bottom: 4rem;
    z-index: 2;
}

.timeline-item-left {
    left: 0;
    padding-right: 3.5rem;
}

.timeline-item-right {
    left: 50%;
    padding-left: 3.5rem;
}

.timeline-badge {
    position: absolute;
    right: -12px;
    top: 2rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    border: 4px solid var(--bg-primary);
    z-index: 3;
    transition: var(--transition-smooth);
}

.timeline-item-right .timeline-badge {
    left: -12px;
}

.timeline-card {
    background-color: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    min-height: 250px;
}

/* Curtain expansion panel on left edge of experience cards */
.timeline-card-curtain {
    width: 16px;
    background-color: var(--bg-dark);
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.timeline-card-content {
    padding: 2.25rem;
    flex-grow: 1;
}

.timeline-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-duration {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-blue);
    background-color: var(--accent-blue-light);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

.timeline-location {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.timeline-role {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--bg-dark);
    margin-bottom: 0.25rem;
}

.timeline-company {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.timeline-company span {
    color: var(--text-light);
    font-weight: 400;
}

.timeline-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bg-dark);
    margin: 1.25rem 0 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.timeline-list {
    list-style: none;
}

.timeline-list li {
    font-size: 0.925rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    position: relative;
    padding-left: 1.25rem;
    line-height: 1.5;
}

.timeline-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 700;
}

/* Hover effects for experience */
.timeline-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.timeline-card:hover .timeline-card-curtain {
    width: 24px;
    background-color: var(--accent-blue);
}

.timeline-item:hover .timeline-badge {
    background-color: var(--bg-dark);
    transform: scale(1.25);
    box-shadow: 0 0 0 6px var(--accent-blue-glow);
}

/* 7. Page 4: Education */
#education {
    background-color: var(--bg-secondary);
}

.education-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: stretch;
}

.edu-card {
    background-color: #ffffff;
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.edu-card-secondary {
    background-color: var(--bg-dark);
    color: #ffffff;
    border-color: var(--bg-dark-secondary);
}

.edu-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.75rem;
    transition: var(--transition-elastic);
}

.edu-card-secondary .edu-icon-wrap {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.edu-duration {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    display: block;
}

.edu-card-secondary .edu-duration {
    color: #3b82f6;
}

.edu-degree {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--bg-dark);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.edu-card-secondary .edu-degree {
    color: #ffffff;
}

.edu-institution {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.edu-card-secondary .edu-institution {
    color: #94a3b8;
}

.edu-highlights-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bg-dark);
    margin-bottom: 1rem;
}

.edu-card-secondary .edu-highlights-title {
    color: #ffffff;
}

.edu-highlights {
    list-style: none;
}

.edu-highlights li {
    font-size: 0.975rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
    opacity: 0; /* Animated dynamically by GSAP */
}

.edu-card-secondary .edu-highlights li {
    color: #cbd5e1;
}

.edu-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-blue);
}

.edu-card-secondary .edu-highlights li::before {
    background-color: #3b82f6;
}

/* SVG stroke path drawing on hover */
.edu-border-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.edu-border-rect {
    fill: none;
    stroke: var(--accent-blue);
    stroke-width: 3;
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 0.8s ease-in-out;
}

.edu-card-secondary .edu-border-rect {
    stroke: #3b82f6;
}

.edu-card:hover .edu-border-rect {
    stroke-dashoffset: 0;
}

.edu-card:hover .edu-icon-wrap {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.15);
}

/* 8. Page 5: Projects */
#projects {
    background-color: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    background-color: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 480px;
    transition: var(--transition-smooth);
}

/* Left/Top blur-to-sharp panel overlay */
.project-visual-header {
    height: 140px;
    background-color: var(--bg-dark);
    color: #ffffff;
    padding: 1.75rem 2rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: var(--transition-smooth);
    z-index: 1;
}

.project-visual-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: 0.6s;
    z-index: 2;
}

.project-visual-header-blur {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, var(--accent-blue) 0%, transparent 60%);
    filter: blur(20px);
    transition: var(--transition-smooth);
    z-index: -1;
}

.project-type-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    transition: letter-spacing 0.4s ease;
}

.project-body {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
}

.project-outcomes-title {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bg-dark);
    margin-bottom: 0.75rem;
}

.project-outcomes {
    list-style: none;
    margin-bottom: 2rem;
}

.project-outcomes li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    opacity: 0; /* Staggered fade */
}

.project-outcomes li span {
    position: absolute;
    left: 0;
    top: 0.15rem;
    width: 16px;
    height: 16px;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tech-pill {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bg-dark);
    background-color: var(--bg-tertiary);
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    transition: var(--transition-elastic);
}

.tech-pill:hover {
    background-color: var(--accent-blue);
    color: #ffffff;
}

/* Hover states for Projects */
.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.project-card:hover .project-visual-header {
    background-color: var(--accent-blue);
}

.project-card:hover .project-visual-header::before {
    left: 100%;
}

.project-card:hover .project-visual-header-blur {
    background-radial-gradient: circle at 80% 20%, var(--bg-dark) 0%, transparent 60%;
    filter: blur(10px);
}

.project-card:hover .project-title {
    letter-spacing: 0.02em;
}

/* 9. Page 6: Skills */
#skills {
    background-color: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skills-card {
    background-color: #ffffff;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 2.25rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skills-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-blue-light);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.skills-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.skills-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    transition: transform 1s ease;
}

.skills-card-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bg-dark);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
    z-index: 2;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
}

.skill-name {
    color: var(--text-primary);
}

.skill-percentage {
    color: var(--accent-blue);
}

.skill-bar-bg {
    width: 100%;
    height: 6px;
    background-color: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: 0; /* Dynamic loading animation */
    background-color: var(--accent-blue);
    border-radius: 3px;
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hover effects for skills cards */
.skills-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.skills-card:hover::before {
    opacity: 0.5;
}

.skills-card:hover .skills-card-icon {
    transform: rotate(360deg);
}

/* 10. Page 7: Certifications */
#certifications {
    background-color: var(--bg-primary);
}

.certifications-wrap {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-card-wrap {
    perspective: 1000px;
    width: 100%;
    max-width: 450px;
}

.cert-card {
    background-color: #ffffff;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 1.75rem;
    transition: transform 0.1s ease;
    transform-style: preserve-3d;
    cursor: pointer;
}

.cert-img-wrap {
    width: 100%;
    height: 280px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    background-color: var(--bg-secondary);
}

.cert-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.cert-info {
    text-align: center;
}

.cert-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bg-dark);
    margin-bottom: 0.25rem;
}

.cert-provider {
    font-size: 0.95rem;
    color: var(--accent-blue);
    font-weight: 600;
}

/* Hover tilt effect */
.cert-card:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.cert-card:hover img {
    transform: scale(1.06);
}

/* 11. Page 8: Achievements */
#achievements {
    background-color: var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.stat-card {
    background-color: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-blue);
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.achievement-card {
    background-color: #ffffff;
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    display: flex;
    gap: 1.75rem;
    transition: var(--transition-smooth);
}

.ach-badge-col {
    flex-shrink: 0;
}

.ach-badge {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.2);
    transition: var(--transition-smooth);
}

.ach-content-col {
    flex-grow: 1;
}

.ach-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.ach-cat {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-blue);
    background-color: var(--accent-blue-light);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.ach-year {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.ach-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--bg-dark);
    margin-bottom: 0.75rem;
}

.ach-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Hover effects for achievements */
.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.achievement-card:hover .ach-badge {
    color: #ffffff;
    background-color: var(--accent-blue);
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0.15);
}

/* 12. Page 9: Contact & Footer */
#contact {
    background-color: var(--bg-primary);
    padding-bottom: 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: stretch;
}

/* Left Form Column styling */
.contact-form-card {
    background-color: #ffffff;
    border-radius: 20px;
    padding: 3.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    position: relative;
    width: 100%;
}

.form-input {
    width: 100%;
    padding: 0.85rem 0;
    border: none;
    border-bottom: 2px solid var(--border-color);
    background: transparent;
    font-size: 1rem;
    font-family: var(--font-inter);
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    outline: none;
}

.form-label {
    position: absolute;
    left: 0;
    top: 0.85rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    pointer-events: none;
    transition: var(--transition-smooth);
    transform-origin: left top;
}

/* Floating label mechanics */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    transform: translateY(-1.5rem) scale(0.8);
    color: var(--accent-blue);
    font-weight: 700;
}

.form-focus-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: width 0.4s ease;
}

.form-input:focus ~ .form-focus-line {
    width: 100%;
}

.form-textarea {
    min-height: 120px;
    resize: none;
}

/* Send message button with shimmer sweep */
.btn-shimmer {
    position: relative;
    overflow: hidden;
    align-self: flex-start;
    border: none;
    outline: none;
}

.btn-shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 150%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: skewX(-20deg);
}

.btn-shimmer:hover::before {
    animation: shimmerSweep 1s ease-in-out;
}

@keyframes shimmerSweep {
    0% { left: -150%; }
    100% { left: 150%; }
}

/* Right dark contact panel */
.contact-info-card {
    background-color: var(--bg-dark);
    border-radius: 20px;
    padding: 3.5rem;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    color: #ffffff;
}

.contact-rows {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    text-decoration: none;
    color: #cbd5e1;
    transition: var(--transition-elastic);
}

.contact-row-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-dark-secondary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: var(--transition-smooth);
}

.contact-row-text {
    font-size: 1rem;
    font-weight: 500;
}

/* Hover effects for contact info */
.contact-row:hover {
    color: #ffffff;
    transform: translateX(8px);
}

.contact-row:hover .contact-row-icon {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.contact-socials-wrap {
    margin-top: 3.5rem;
}

.contact-socials-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.contact-socials {
    display: flex;
    gap: 1rem;
}

.contact-socials .social-icon {
    background-color: var(--bg-dark-secondary);
    border-color: rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
    opacity: 1; /* Always visible here */
    transform: none;
}

.contact-socials .social-icon:hover {
    background-color: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    transform: translateY(-4px) scale(1.1);
}

/* Footer Section */
footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    padding: 4rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--bg-dark);
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials .social-icon {
    opacity: 1;
    transform: none;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 1rem;
}

/* 13. Media Queries (Responsiveness) */
@media (max-width: 1024px) {
    .landing-grid,
    .about-grid,
    .education-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .timeline-line {
        left: 2rem;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3.5rem !important;
        padding-right: 0 !important;
    }
    
    .timeline-badge {
        left: 14px !important;
        right: auto !important;
    }
    
    .projects-grid,
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-visual-col {
        align-items: center;
    }
    
    .about-img-frame {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    .nav-links {
        display: none; /* Mobile menu would replace this in full production, we stick to responsive clean layout */
    }
    
    .landing-name {
        font-size: 3rem;
    }
    
    .landing-grid {
        display: flex;
        flex-direction: column-reverse;
        gap: 2rem;
    }
    
    .landing-visual {
        margin-top: 1.5rem;
    }
    
    .landing-img-wrap {
        width: 260px;
        height: 260px;
    }
    
    .visual-backdrop {
        width: 300px;
        height: 300px;
    }
    
    .visual-outline {
        width: 280px;
        height: 280px;
    }
    
    .projects-grid,
    .skills-grid,
    .achievements-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-cards-wrap {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        gap: 1rem;
    }
    
    .contact-form-card,
    .contact-info-card {
        padding: 2rem;
    }
}

/* Safety net fallback */
.animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
}

/* 14. Experience Letter Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.modal-container {
    background-color: #ffffff;
    border-radius: 20px;
    padding: 1.5rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
}
.modal-overlay.active .modal-container {
    transform: scale(1);
}
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bg-dark);
    color: #ffffff;
    border: none;
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 10;
}
.modal-close:hover {
    background-color: var(--accent-blue);
    transform: rotate(90deg);
}
.modal-img-wrap {
    width: 100%;
    overflow-y: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.modal-img {
    width: 100%;
    height: auto;
    display: block;
}